Home / 1,267,569,843.79-1,747,225,239.99-999,208,040.50

Finding the Fourth Proportional to 1,267,569,843.79, 1,747,225,239.99 and 999,208,040.50

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Solution

The fourth proportional to 1,267,569,843.79, 1,747,225,239.99 and 999,208,040.50 is: 1,377,313,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,569,843.79 : 1,747,225,239.99 = 999,208,040.50 : x
  2. Step 2: Convert to fraction form
    1,267,569,843.79/1,747,225,239.99 = 999,208,040.50/x
  3. Step 3: Cross multiply
    1,267,569,843.79x = 1,747,225,239.99 × 999,208,040.50
  4. Step 4: Simplify right side
    1,267,569,843.79x = 1,745,841,508,364,734,208
  5. Step 5: Solve for x
    x = 1,745,841,508,364,734,208/1,267,569,843.79
  6. Step 6: Final answer
    x = 1,377,313,855.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.